CN211348090U

CN211348090U - Modular gas chromatograph

Info

Publication number: CN211348090U
Application number: CN201922319953.5U
Authority: CN
Inventors: 吴卫; 竭友; 李佳佳
Original assignee: Farmach Tianjin Pharmaceutical Technology Co ltd
Current assignee: Farmach Tianjin Pharmaceutical Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-08-25
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a modularization gas chromatograph, including box frame and admission line, one side below of box frame is provided with the admission line, the one end that the admission line is close to box frame passes box frame fixedly connected with carrier gas processing module, carrier gas processing module outlet pipe has a kind module through the fixed intercommunication of first connecting pipe, the outlet pipe of a kind module has separation module through the fixed intercommunication of second connecting pipe, the fixed intercommunication in separation module's the gas outlet has detection module, detection module's the fixed intercommunication in gas vent has exhaust duct, one side that the admission line was kept away from to box frame inside below is provided with data processing module. The utility model discloses in, through with a complicated whole subregion modularization, simplified the utility model discloses an installation flow has improved the simplicity, is favorable to upgrading and inspection maintenance of device, has improved the utility model discloses a life has improved greatly the utility model discloses a practicality.

Description

Modular gas chromatograph

Technical Field

The utility model relates to a chromatograph technical field especially relates to a modularization gas chromatograph.

Background

The gas chromatograph is an instrument for qualitatively and quantitatively analyzing a multi-component complex mixture by using a chromatographic separation technology and a detection technology. Can be used for analyzing heat-stable organic matters with the boiling point not more than 500 ℃ in soil, such as volatile organic matters, organic chlorine, organic phosphorus, polycyclic aromatic hydrocarbons, phthalate ester and the like.

Gas chromatographs on the market at present are various in types and different in functions, but have similar basic structures and are not designed into modular structures.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a modularized gas chromatograph.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a modularization gas chromatograph, includes box frame and admission line, one side below of box frame is provided with the admission line, the one end that the admission line is close to box frame passes box frame fixedly connected with carrier gas processing module, carrier gas processing module outlet pipe has a kind module through the fixed intercommunication of first connecting pipe, the outlet pipe of a kind module has separation module through the fixed intercommunication of second connecting pipe, the fixed intercommunication of gas outlet of separation module has detection module, the fixed intercommunication of gas vent of detection module has exhaust duct, one side that the admission line was kept away from to box frame inside below is provided with data processing module.

As a further description of the above technical solution:

and a pressure reducing valve, a purifying and drying pipe and a carrier gas flow rate controller are integrated in the carrier gas treatment module.

As a further description of the above technical solution:

the appearance module of advancing includes shell and injector, the one end top that the gas outlet was kept away from to the shell is provided with the injector, the inside of shell is provided with the heat insulating layer, the inside on heat insulating layer is provided with the heating pipe, the inside of heating pipe is provided with the vaporizer, the one end that the inside below of vaporizer is close to the gas outlet is provided with a kind temperature sensor, the injector passes through the fixed intercommunication of sample inlet pipe and vaporizer.

As a further description of the above technical solution:

the separation module comprises a heat-insulating shell and an annular chromatographic column, wherein the annular chromatographic column is arranged in the heat-insulating shell, a temperature control rod is arranged on the inner side of the annular chromatographic column in the heat-insulating shell, and a temperature control sensor is arranged below the annular chromatographic column in the heat-insulating shell.

As a further description of the above technical solution:

the detection module is internally integrated with a detection tube, a detector, a signal amplifier and a digital-to-analog converter.

As a further description of the above technical solution:

the carrier gas processing module, the sample injection module, the separation module and the detection module are all provided with data interfaces and are electrically connected with the data processing module through the data interfaces.

As a further description of the above technical solution:

the data processing module is provided with a display interface and a control keyboard interface

The utility model discloses following beneficial effect has:

1. the utility model discloses a with the modularization of a complicated whole subregion, simplified the utility model discloses an installation flow has improved the utility model discloses a simplicity.

2. The utility model discloses a modularization is favorable to upgrading and the inspection maintenance of device, has improved the utility model discloses a life has improved greatly the utility model discloses a practicality.

Drawings

Fig. 1 is a front cross-sectional view of a modular gas chromatograph according to the present invention;

fig. 2 is a schematic structural diagram of a sample introduction module of a modular gas chromatograph according to the present invention;

fig. 3 is a schematic diagram of a structure of a detection module of the modular gas chromatograph according to the present invention.

Illustration of the drawings:

1. a box frame; 2. an air intake duct; 3. a carrier gas treatment module; 4. a first connecting pipe; 5. a sample introduction module; 6. a second connecting pipe; 7. a separation module; 8. a detection module; 9. an exhaust duct; 10. a data processing module; 301. a pressure reducing valve; 302. a purifying and drying pipe; 303. a carrier gas flow rate controller; 501. a housing; 502. a sample introduction temperature sensor; 503. a gasification chamber; 504. heating a tube; 505. a thermal insulation layer; 506. a sample inlet pipe; 507. a sample injector; 701. a heat preservation shell; 702. an annular chromatography column; 703. a temperature control rod; 704. A temperature control sensor; 801. a detection tube; 802. a detector; 803. a signal amplifier; 804. a digital-to-analog converter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a modularized gas chromatograph comprises a box body frame 1 for fixing a module and an air inlet pipeline 2, wherein the air inlet pipeline 2 is arranged below one side of the box body frame 1, one end of the air inlet pipeline 2 close to the box body frame 1 penetrates through the box body frame 1 and is fixedly connected with a carrier gas processing module 3 for carrying out pressure stabilization on carrier gas, purify and the speed governing is handled, the fixed intercommunication of carrier gas processing module 3 outlet pipe through first connecting pipe 4 has kind module 5 to be used for advancing the appearance and gasify the sample, the outlet pipe of kind module 5 has separation module 7 to be used for separating the sample through the fixed intercommunication of second connecting pipe 6, the fixed intercommunication of gas outlet of separation module 7 has detection module 8 to be used for detecting, the fixed intercommunication of gas vent of detection module 8 has exhaust duct 9, one side that inlet duct 2 was kept away from to box frame 1 inside below is provided with data processing module 10 and is used for control and processing data.

A pressure reducing valve 301, a purifying and drying tube 302 and a carrier gas flow rate controller 303 are integrated in the carrier gas treatment module 3, the sample injection module 5 comprises a shell 501 and a sample injector 507, the sample injector 507 is arranged above one end of the shell 501 far away from the gas outlet, a heat insulating layer 505 is arranged in the shell 501, a heating tube 504 is arranged in the heat insulating layer 505, a gasification chamber 503 is arranged in the heating tube 504, a sample injection temperature sensor 502 is arranged at one end of the lower part of the inner part of the gasification chamber 503 near the gas outlet, the sample injector 507 is fixedly communicated with the gasification chamber 503 through the sample injection tube 506, the separation module 7 comprises a heat insulating shell 701 and an annular chromatographic column 702, the annular chromatographic column 702 is arranged in the heat insulating shell 701, a temperature control rod is arranged on the inner side of the annular chromatographic column 702 of the heat insulating shell 701, a temperature control sensor is arranged below the annular chromatographic column 702 in the heat insulating shell 701, a, The detector 802, the signal amplifier 803 and the digital-to-analog converter 804, the carrier gas processing module 3, the sample introduction module 5, the separation module 7 and the detection module 8 are all provided with data interfaces and are electrically connected with the data processing module 10 through the data interfaces, and the data processing module 10 is provided with a display interface and a control keyboard interface.

The working principle is as follows: the utility model discloses during the use, under data processing module 10, the carrier gas gets into carrier gas processing module 3 from admission line 2 and carries out steady voltage, purification and speed governing processing back, gets into through first connecting pipe 4 and advances kind module 5, bears the weight of gasified sample at vaporizer 503, later gets into separation module 7 through second connecting pipe 6, gets into detection module 8 after being separated by annular chromatographic column 702 and detects, later detection module 8 sends data to data processing module 10 and carries out data processing, gives the display of outer antithetical couplet with data transfer after finishing data processing, the utility model discloses a with a complicated whole subregion modularization, simplified the utility model discloses an installation flow has improved the simplicity and convenience, is favorable to upgrading and the maintenance of device, has improved the utility model discloses a life has improved greatly the utility model discloses a practicality.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a modularization gas chromatograph, includes box frame (1) and admission line (2), its characterized in that: one side below of box frame (1) is provided with admission line (2), one end that admission line (2) are close to box frame (1) passes box frame (1) fixedly connected with carrier gas processing module (3), carrier gas processing module (3) outlet duct has a kind module (5) through first connecting pipe (4) fixed intercommunication, the outlet duct that advances kind module (5) has separation module (7) through second connecting pipe (6) fixed intercommunication, the fixed intercommunication of gas outlet of separation module (7) has detection module (8), the fixed intercommunication of gas vent of detection module (8) has exhaust duct (9), one side that admission line (2) were kept away from to box frame (1) inside below is provided with data processing module (10).

2. The modular gas chromatograph of claim 1, wherein: and a pressure reducing valve (301), a purifying and drying pipe (302) and a carrier gas flow rate controller (303) are integrated in the carrier gas treatment module (3).

3. The modular gas chromatograph of claim 1, wherein: sample injection module (5) includes shell (501) and sample injector (507), the one end top that the gas outlet was kept away from in shell (501) is provided with sample injector (507), the inside of shell (501) is provided with heat insulating layer (505), the inside of heat insulating layer (505) is provided with heating pipe (504), the inside of heating pipe (504) is provided with vaporizer (503), the one end that vaporizer (503) inside below is close to the gas outlet is provided with into kind temperature sensor (502), sample injector (507) is through sample injection pipe (506) and vaporizer (503) fixed intercommunication.

4. The modular gas chromatograph of claim 1, wherein: separation module (7) are including heat preservation shell (701) and annular chromatographic column (702), the inside of heat preservation shell (701) is provided with annular chromatographic column (702), heat preservation shell (701) are provided with accuse temperature stick (703) in the inboard of annular chromatographic column (702), the inside of heat preservation shell (701) is provided with accuse temperature sensor (704) in annular chromatographic column (702) below.

5. The modular gas chromatograph of claim 1, wherein: the detection module (8) is internally integrated with a detection tube (801), a detector (802), a signal amplifier (803) and a digital-to-analog converter (804).

6. The modular gas chromatograph of claim 1, wherein: the carrier gas processing module (3), the sample injection module (5), the separation module (7) and the detection module (8) are all provided with data interfaces and are electrically connected with the data processing module (10) through the data interfaces.

7. The modular gas chromatograph of claim 1, wherein: the data processing module (10) is provided with a display interface and a control keyboard interface.